Fix RocksDB lite build for write_stress

Summary: We don't have access to GetLiveFilesMetadata() in RocksDB lite. If compiling write_stress for lite, I skip the check for leaked files, which depends on this function.

Test Plan: OPT=-DROCKSDB_LITE m write_stress

Reviewers: sdong

Reviewed By: sdong

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D49647

tools/write_stress.cc

@@ -240,6 +240,9 @@ class WriteStress {
     }
     threads_.clear();
 
+// Skip checking for leaked files in ROCKSDB_LITE since we don't have access to
+// function GetLiveFilesMetaData
+#ifndef ROCKSDB_LITE
     // let's see if we leaked some files
     db_->PauseBackgroundWork();
     std::vector<LiveFileMetaData> metadata;
@@ -274,8 +277,8 @@ class WriteStress {
         }
       }
     }
-
     db_->ContinueBackgroundWork();
+#endif  // !ROCKSDB_LITE
 
     return 0;
   }